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6 <title>Petter Reinholdtsen
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14 <a href=
"http://people.skolelinux.org/pere/blog/">Petter Reinholdtsen
</a>
23 <div class=
"title"><a href=
"http://people.skolelinux.org/pere/blog/How_hard_can______and___be_.html">How hard can æ, ø and å be?
</a></div>
24 <div class=
"date">11th February
2018</div>
25 <div class=
"body"><img src=
"http://people.skolelinux.org/pere/blog/images/2018-02-11-peppes-unicode.jpeg" align=
"right"/>
27 <p>We write
2018, and it is
30 years since Unicode was introduced.
28 Most of us in Norway have come to expect the use of our alphabet to
29 just work with any computer system. But it is apparently beyond reach
30 of the computers printing recites at a restaurant. Recently I visited
31 a Peppes pizza resturant, and noticed a few details on the recite.
32 Notice how 'ø' and 'å' are replaced with strange symbols in
33 'Servitør', 'Å BETALE', 'Beløp pr. gjest', 'Takk for besøket.' and 'Vi
34 gleder oss til å se deg igjen'.
</p>
36 <p>I would say that this state is passed sad and over in embarrassing.
</p>
38 <p>I removed personal and private information to be nice.
</p>
43 Tags:
<a href=
"http://people.skolelinux.org/pere/blog/tags/english">english
</a>.
48 <div class=
"padding"></div>
51 <div class=
"title"><a href=
"http://people.skolelinux.org/pere/blog/Legal_to_share_more_than_11_000_movies_listed_on_IMDB_.html">Legal to share more than
11,
000 movies listed on IMDB?
</a></div>
52 <div class=
"date"> 7th January
2018</div>
53 <div class=
"body"><p>I've continued to track down list of movies that are legal to
54 distribute on the Internet, and identified more than
11,
000 title IDs
55 in The Internet Movie Database (IMDB) so far. Most of them (
57%) are
56 feature films from USA published before
1923. I've also tracked down
57 more than
24,
000 movies I have not yet been able to map to IMDB title
58 ID, so the real number could be a lot higher. According to the front
59 web page for
<a href=
"https://retrofilmvault.com/">Retro Film
60 Vault
</A>, there are
44,
000 public domain films, so I guess there are
61 still some left to identify.
</p>
63 <p>The complete data set is available from
64 <a href=
"https://github.com/petterreinholdtsen/public-domain-free-imdb">a
65 public git repository
</a>, including the scripts used to create it.
66 Most of the data is collected using web scraping, for example from the
67 "product catalog" of companies selling copies of public domain movies,
68 but any source I find believable is used. I've so far had to throw
69 out three sources because I did not trust the public domain status of
70 the movies listed.
</p>
72 <p>Anyway, this is the summary of the
28 collected data sources so
76 2352 entries (
66 unique) with and
15983 without IMDB title ID in free-movies-archive-org-search.json
77 2302 entries (
120 unique) with and
0 without IMDB title ID in free-movies-archive-org-wikidata.json
78 195 entries (
63 unique) with and
200 without IMDB title ID in free-movies-cinemovies.json
79 89 entries (
52 unique) with and
38 without IMDB title ID in free-movies-creative-commons.json
80 344 entries (
28 unique) with and
655 without IMDB title ID in free-movies-fesfilm.json
81 668 entries (
209 unique) with and
1064 without IMDB title ID in free-movies-filmchest-com.json
82 830 entries (
21 unique) with and
0 without IMDB title ID in free-movies-icheckmovies-archive-mochard.json
83 19 entries (
19 unique) with and
0 without IMDB title ID in free-movies-imdb-c-expired-gb.json
84 6822 entries (
6669 unique) with and
0 without IMDB title ID in free-movies-imdb-c-expired-us.json
85 137 entries (
0 unique) with and
0 without IMDB title ID in free-movies-imdb-externlist.json
86 1205 entries (
57 unique) with and
0 without IMDB title ID in free-movies-imdb-pd.json
87 84 entries (
20 unique) with and
167 without IMDB title ID in free-movies-infodigi-pd.json
88 158 entries (
135 unique) with and
0 without IMDB title ID in free-movies-letterboxd-looney-tunes.json
89 113 entries (
4 unique) with and
0 without IMDB title ID in free-movies-letterboxd-pd.json
90 182 entries (
100 unique) with and
0 without IMDB title ID in free-movies-letterboxd-silent.json
91 229 entries (
87 unique) with and
1 without IMDB title ID in free-movies-manual.json
92 44 entries (
2 unique) with and
64 without IMDB title ID in free-movies-openflix.json
93 291 entries (
33 unique) with and
474 without IMDB title ID in free-movies-profilms-pd.json
94 211 entries (
7 unique) with and
0 without IMDB title ID in free-movies-publicdomainmovies-info.json
95 1232 entries (
57 unique) with and
1875 without IMDB title ID in free-movies-publicdomainmovies-net.json
96 46 entries (
13 unique) with and
81 without IMDB title ID in free-movies-publicdomainreview.json
97 698 entries (
64 unique) with and
118 without IMDB title ID in free-movies-publicdomaintorrents.json
98 1758 entries (
882 unique) with and
3786 without IMDB title ID in free-movies-retrofilmvault.json
99 16 entries (
0 unique) with and
0 without IMDB title ID in free-movies-thehillproductions.json
100 63 entries (
16 unique) with and
141 without IMDB title ID in free-movies-vodo.json
101 11583 unique IMDB title IDs in total,
8724 only in one list,
24647 without IMDB title ID
104 <p> I keep finding more data sources. I found the cinemovies source
105 just a few days ago, and as you can see from the summary, it extended
106 my list with
63 movies. Check out the mklist-* scripts in the git
107 repository if you are curious how the lists are created. Many of the
108 titles are extracted using searches on IMDB, where I look for the
109 title and year, and accept search results with only one movie listed
110 if the year matches. This allow me to automatically use many lists of
111 movies without IMDB title ID references at the cost of increasing the
112 risk of wrongly identify a IMDB title ID as public domain. So far my
113 random manual checks have indicated that the method is solid, but I
114 really wish all lists of public domain movies would include unique
115 movie identifier like the IMDB title ID. It would make the job of
116 counting movies in the public domain a lot easier.
</p>
118 <p>As usual, if you use Bitcoin and want to show your support of my
119 activities, please send Bitcoin donations to my address
120 <b><a href=
"bitcoin:15oWEoG9dUPovwmUL9KWAnYRtNJEkP1u1b">15oWEoG9dUPovwmUL9KWAnYRtNJEkP1u1b
</a></b>.
</p>
125 Tags:
<a href=
"http://people.skolelinux.org/pere/blog/tags/english">english
</a>,
<a href=
"http://people.skolelinux.org/pere/blog/tags/opphavsrett">opphavsrett
</a>,
<a href=
"http://people.skolelinux.org/pere/blog/tags/verkidetfri">verkidetfri
</a>.
130 <div class=
"padding"></div>
133 <div class=
"title"><a href=
"http://people.skolelinux.org/pere/blog/Kommentarer_til__Evaluation_of__il_legality__for_Popcorn_Time.html">Kommentarer til «Evaluation of (il)legality» for Popcorn Time
</a></div>
134 <div class=
"date">20th December
2017</div>
135 <div class=
"body"><p>I går var jeg i Follo tingrett som sakkyndig vitne og presenterte
136 mine undersøkelser rundt
137 <a href=
"https://github.com/petterreinholdtsen/public-domain-free-imdb">telling
138 av filmverk i det fri
</a>, relatert til
139 <a href=
"https://www.nuug.no/">foreningen NUUG
</a>s involvering i
140 <a href=
"https://www.nuug.no/news/tags/dns-domenebeslag/">saken om
141 Økokrims beslag og senere inndragning av DNS-domenet
142 popcorn-time.no
</a>. Jeg snakket om flere ting, men mest om min
143 vurdering av hvordan filmbransjen har målt hvor ulovlig Popcorn Time
144 er. Filmbransjens måling er så vidt jeg kan se videreformidlet uten
145 endringer av norsk politi, og domstolene har lagt målingen til grunn
146 når de har vurdert Popcorn Time både i Norge og i utlandet (tallet
147 99% er referert også i utenlandske domsavgjørelser).
</p>
149 <p>I forkant av mitt vitnemål skrev jeg et notat, mest til meg selv,
150 med de punktene jeg ønsket å få frem. Her er en kopi av notatet jeg
151 skrev og ga til aktoratet. Merkelig nok ville ikke dommerene ha
152 notatet, så hvis jeg forsto rettsprosessen riktig ble kun
153 histogram-grafen lagt inn i dokumentasjonen i saken. Dommerne var
154 visst bare interessert i å forholde seg til det jeg sa i retten,
155 ikke det jeg hadde skrevet i forkant. Uansett så antar jeg at flere
156 enn meg kan ha glede av teksten, og publiserer den derfor her.
157 Legger ved avskrift av dokument
09,
13, som er det sentrale
158 dokumentet jeg kommenterer.
</p>
160 <p><strong>Kommentarer til «Evaluation of (il)legality» for Popcorn
163 <p><strong>Oppsummering
</strong></p>
165 <p>Målemetoden som Økokrim har lagt til grunn når de påstår at
99% av
166 filmene tilgjengelig fra Popcorn Time deles ulovlig har
169 <p>De eller den som har vurdert hvorvidt filmer kan lovlig deles har
170 ikke lyktes med å identifisere filmer som kan deles lovlig og har
171 tilsynelatende antatt at kun veldig gamle filmer kan deles lovlig.
172 Økokrim legger til grunn at det bare finnes èn film, Charlie
173 Chaplin-filmen «The Circus» fra
1928, som kan deles fritt blant de
174 som ble observert tilgjengelig via ulike Popcorn Time-varianter.
175 Jeg finner tre flere blant de observerte filmene: «The Brain That
176 Wouldn't Die» fra
1962, «God’s Little Acre» fra
1958 og «She Wore a
177 Yellow Ribbon» fra
1949. Det er godt mulig det finnes flere. Det
178 finnes dermed minst fire ganger så mange filmer som lovlig kan deles
179 på Internett i datasettet Økokrim har lagt til grunn når det påstås
180 at mindre enn
1 % kan deles lovlig.
</p>
182 <p>Dernest, utplukket som gjøres ved søk på tilfeldige ord hentet fra
183 ordlisten til Dale-Chall avviker fra årsfordelingen til de brukte
184 filmkatalogene som helhet, hvilket påvirker fordelingen mellom
185 filmer som kan lovlig deles og filmer som ikke kan lovlig deles. I
186 tillegg gir valg av øvre del (de fem første) av søkeresultatene et
187 avvik fra riktig årsfordeling, hvilket påvirker fordelingen av verk
188 i det fri i søkeresultatet.
</p>
190 <p>Det som måles er ikke (u)lovligheten knyttet til bruken av Popcorn
191 Time, men (u)lovligheten til innholdet i bittorrent-filmkataloger
192 som vedlikeholdes uavhengig av Popcorn Time.
</p>
194 <p>Omtalte dokumenter:
09,
12,
<a href=
"#dok-09-13">09,
13</a>,
09,
14,
195 09,
18,
09,
19,
09,
20.
</p>
197 <p><strong>Utfyllende kommentarer
</strong></p>
199 <p>Økokrim har forklart domstolene at minst
99% av alt som er
200 tilgjengelig fra ulike Popcorn Time-varianter deles ulovlig på
201 Internet. Jeg ble nysgjerrig på hvordan de er kommet frem til dette
202 tallet, og dette notatet er en samling kommentarer rundt målingen
203 Økokrim henviser til. Litt av bakgrunnen for at jeg valgte å se på
204 saken er at jeg er interessert i å identifisere og telle hvor mange
205 kunstneriske verk som er falt i det fri eller av andre grunner kan
206 lovlig deles på Internett, og dermed var interessert i hvordan en
207 hadde funnet den ene prosenten som kanskje deles lovlig.
</p>
209 <p>Andelen på
99% kommer fra et ukreditert og udatert notatet som tar
210 mål av seg å dokumentere en metode for å måle hvor (u)lovlig ulike
211 Popcorn Time-varianter er.
</p>
213 <p>Raskt oppsummert, så forteller metodedokumentet at på grunn av at
214 det ikke er mulig å få tak i komplett liste over alle filmtitler
215 tilgjengelig via Popcorn Time, så lages noe som skal være et
216 representativt utvalg ved å velge
50 søkeord større enn tre tegn fra
217 ordlisten kjent som Dale-Chall. For hvert søkeord gjøres et søk og
218 de første fem filmene i søkeresultatet samles inn inntil
100 unike
219 filmtitler er funnet. Hvis
50 søkeord ikke var tilstrekkelig for å
220 nå
100 unike filmtitler ble flere filmer fra hvert søkeresultat lagt
221 til. Hvis dette heller ikke var tilstrekkelig, så ble det hentet ut
222 og søkt på flere tilfeldig valgte søkeord inntil
100 unike
223 filmtitler var identifisert.
</p>
225 <p>Deretter ble for hver av filmtitlene «vurdert hvorvidt det var
226 rimelig å forvente om at verket var vernet av copyright, ved å se på
227 om filmen var tilgjengelig i IMDB, samt se på regissør,
228 utgivelsesår, når det var utgitt for bestemte markedsområder samt
229 hvilke produksjons- og distribusjonsselskap som var registrert» (min
232 <p>Metoden er gjengitt både i de ukrediterte dokumentene
09,
13 og
233 09,
19, samt beskrevet fra side
47 i dokument
09,
20, lysark datert
234 2017-
02-
01. Sistnevnte er kreditert Geerart Bourlon fra Motion
235 Picture Association EMEA. Metoden virker å ha flere svakheter som
236 gir resultatene en slagside. Den starter med å slå fast at det ikke
237 er mulig å hente ut en komplett liste over alle filmtitler som er
238 tilgjengelig, og at dette er bakgrunnen for metodevalget. Denne
239 forutsetningen er ikke i tråd med det som står i dokument
09,
12, som
240 ikke heller har oppgitt forfatter og dato. Dokument
09,
12 forteller
241 hvordan hele kataloginnholdet ble lasted ned og talt opp. Dokument
242 09,
12 er muligens samme rapport som ble referert til i dom fra Oslo
244 (
<a href=
"https://www.domstol.no/no/Enkelt-domstol/Oslo--tingrett/Nyheter/ma-sperre-for-popcorn-time/">sak
245 17-
093347TVI-OTIR/
05</a>) som rapport av
1. juni
2017 av Alexander
246 Kind Petersen, men jeg har ikke sammenlignet dokumentene ord for ord
247 for å kontrollere dette.
</p>
249 <p>IMDB er en forkortelse for The Internet Movie Database, en
250 anerkjent kommersiell nettjeneste som brukes aktivt av både
251 filmbransjen og andre til å holde rede på hvilke spillefilmer (og
252 endel andre filmer) som finnes eller er under produksjon, og
253 informasjon om disse filmene. Datakvaliteten er høy, med få feil og
254 få filmer som mangler. IMDB viser ikke informasjon om
255 opphavsrettslig status for filmene på infosiden for hver film. Som
256 del av IMDB-tjenesten finnes det lister med filmer laget av
257 frivillige som lister opp det som antas å være verk i det fri.
</p>
259 <p>Det finnes flere kilder som kan brukes til å finne filmer som er
260 allemannseie (public domain) eller har bruksvilkår som gjør det
261 lovlig for alleå dele dem på Internett. Jeg har de siste ukene
262 forsøkt å samle og krysskoble disse listene for å forsøke å telle
263 antall filmer i det fri. Ved å ta utgangspunkt i slike lister (og
264 publiserte filmer for Internett-arkivets del), har jeg så langt
265 klart å identifisere over
11 000 filmer, hovedsaklig spillefilmer.
267 <p>De aller fleste oppføringene er hentet fra IMDB selv, basert på det
268 faktum at alle filmer laget i USA før
1923 er falt i det fri.
269 Tilsvarende tidsgrense for Storbritannia er
1912-
07-
01, men dette
270 utgjør bare veldig liten del av spillefilmene i IMDB (
19 totalt).
271 En annen stor andel kommer fra Internett-arkivet, der jeg har
272 identifisert filmer med referanse til IMDB. Internett-arkivet, som
273 holder til i USA, har som
274 <a href=
"https://archive.org/about/terms.php">policy å kun publisere
275 filmer som det er lovlig å distribuere
</a>. Jeg har under arbeidet
276 kommet over flere filmer som har blitt fjernet fra
277 Internett-arkivet, hvilket gjør at jeg konkluderer med at folkene
278 som kontrollerer Internett-arkivet har et aktivt forhold til å kun
279 ha lovlig innhold der, selv om det i stor grad er drevet av
280 frivillige. En annen stor liste med filmer kommer fra det
281 kommersielle selskapet Retro Film Vault, som selger allemannseide
282 filmer til TV- og filmbransjen, Jeg har også benyttet meg av lister
283 over filmer som hevdes å være allemannseie, det være seg Public
284 Domain Review, Public Domain Torrents og Public Domain Movies (.net
285 og .info), samt lister over filmer med Creative Commons-lisensiering
286 fra Wikipedia, VODO og The Hill Productions. Jeg har gjort endel
287 stikkontroll ved å vurdere filmer som kun omtales på en liste. Der
288 jeg har funnet feil som har gjort meg i tvil om vurderingen til de
289 som har laget listen har jeg forkastet listen fullstendig (gjelder
290 en liste fra IMDB).
</p>
292 <p>Ved å ta utgangspunkt i verk som kan antas å være lovlig delt på
293 Internett (fra blant annet Internett-arkivet, Public Domain
294 Torrents, Public Domain Reivew og Public Domain Movies), og knytte
295 dem til oppføringer i IMDB, så har jeg så langt klart å identifisere
296 over
11 000 filmer (hovedsaklig spillefilmer) det er grunn til å tro
297 kan lovlig distribueres av alle på Internett. Som ekstra kilder er
298 det brukt lister over filmer som antas/påstås å være allemannseie.
299 Disse kildene kommer fra miljøer som jobber for å gjøre tilgjengelig
300 for almennheten alle verk som er falt i det fri eller har
301 bruksvilkår som tillater deling.
303 <p>I tillegg til de over
11 000 filmene der tittel-ID i IMDB er
304 identifisert, har jeg funnet mer enn
20 000 oppføringer der jeg ennå
305 ikke har hatt kapasitet til å spore opp tittel-ID i IMDB. Noen av
306 disse er nok duplikater av de IMDB-oppføringene som er identifisert
307 så langt, men neppe alle. Retro Film Vault hevder å ha
44 000
308 filmverk i det fri i sin katalog, så det er mulig at det reelle
309 tallet er betydelig høyere enn de jeg har klart å identifisere så
310 langt. Konklusjonen er at tallet
11 000 er nedre grense for hvor
311 mange filmer i IMDB som kan lovlig deles på Internett. I følge
<a
312 href=
"http://www.imdb.com/stats">statistikk fra IMDB
</a> er det
4.6
313 millioner titler registrert, hvorav
3 millioner er TV-serieepisoder.
314 Jeg har ikke funnet ut hvordan de fordeler seg per år.
</p>
316 <p>Hvis en fordeler på år alle tittel-IDene i IMDB som hevdes å lovlig
317 kunne deles på Internett, får en følgende histogram:
</p>
319 <p align=
"center"><img width=
"80%" src=
"http://people.skolelinux.org/pere/blog/images/2017-12-20-histogram-year.png"></p>
321 <p>En kan i histogrammet se at effekten av manglende registrering
322 eller fornying av registrering er at mange filmer gitt ut i USA før
323 1978 er allemannseie i dag. I tillegg kan en se at det finnes flere
324 filmer gitt ut de siste årene med bruksvilkår som tillater deling,
325 muligens på grunn av fremveksten av
326 <a href=
"https://creativecommons.org/">Creative
327 Commons
</a>-bevegelsen..
</p>
329 <p>For maskinell analyse av katalogene har jeg laget et lite program
330 som kobler seg til bittorrent-katalogene som brukes av ulike Popcorn
331 Time-varianter og laster ned komplett liste over filmer i
332 katalogene, noe som bekrefter at det er mulig å hente ned komplett
333 liste med alle filmtitler som er tilgjengelig. Jeg har sett på fire
334 bittorrent-kataloger. Den ene brukes av klienten tilgjengelig fra
335 www.popcorntime.sh og er navngitt 'sh' i dette dokumentet. Den
336 andre brukes i følge dokument
09,
12 av klienten tilgjengelig fra
337 popcorntime.ag og popcorntime.sh og er navngitt 'yts' i dette
338 dokumentet. Den tredje brukes av websidene tilgjengelig fra
339 popcorntime-online.tv og er navngitt 'apidomain' i dette dokumentet.
340 Den fjerde brukes av klienten tilgjenglig fra popcorn-time.to i
341 følge dokument
09,
12, og er navngitt 'ukrfnlge' i dette
344 <p>Metoden Økokrim legger til grunn skriver i sitt punkt fire at
345 skjønn er en egnet metode for å finne ut om en film kan lovlig deles
346 på Internett eller ikke, og sier at det ble «vurdert hvorvidt det
347 var rimelig å forvente om at verket var vernet av copyright». For
348 det første er det ikke nok å slå fast om en film er «vernet av
349 copyright» for å vite om det er lovlig å dele den på Internett eller
350 ikke, da det finnes flere filmer med opphavsrettslige bruksvilkår
351 som tillater deling på Internett. Eksempler på dette er Creative
352 Commons-lisensierte filmer som Citizenfour fra
2014 og Sintel fra
353 2010. I tillegg til slike finnes det flere filmer som nå er
354 allemannseie (public domain) på grunn av manglende registrering
355 eller fornying av registrering selv om både regisør,
356 produksjonsselskap og distributør ønsker seg vern. Eksempler på
357 dette er Plan
9 from Outer Space fra
1959 og Night of the Living
358 Dead fra
1968. Alle filmer fra USA som var allemannseie før
359 1989-
03-
01 forble i det fri da Bern-konvensjonen, som tok effekt i
360 USA på det tidspunktet, ikke ble gitt tilbakevirkende kraft. Hvis
362 <a href=
"http://www.latimes.com/local/lanow/la-me-ln-happy-birthday-song-lawsuit-decision-20150922-story.html">historien
363 om sangen «Happy birthday»
</a> forteller oss, der betaling for bruk
364 har vært krevd inn i flere tiår selv om sangen ikke egentlig var
365 vernet av åndsverksloven, så er det at hvert enkelt verk må vurderes
366 nøye og i detalj før en kan slå fast om verket er allemannseie eller
367 ikke, det holder ikke å tro på selverklærte rettighetshavere. Flere
368 eksempel på verk i det fri som feilklassifiseres som vernet er fra
369 dokument
09,
18, som lister opp søkeresultater for klienten omtalt
370 som popcorntime.sh og i følge notatet kun inneholder en film (The
371 Circus fra
1928) som under tvil kan antas å være allemannseie.
</p>
373 <p>Ved rask gjennomlesning av dokument
09,
18, som inneholder
374 skjermbilder fra bruk av en Popcorn Time-variant, fant jeg omtalt
375 både filmen «The Brain That Wouldn't Die» fra
1962 som er
376 <a href=
"https://archive.org/details/brain_that_wouldnt_die">tilgjengelig
377 fra Internett-arkivet
</a> og som
378 <a href=
"https://en.wikipedia.org/wiki/List_of_films_in_the_public_domain_in_the_United_States">i
379 følge Wikipedia er allemannseie i USA
</a> da den ble gitt ut i
380 1962 uten 'copyright'-merking, og filmen «God’s Little Acre» fra
381 1958 <a href=
"https://en.wikipedia.org/wiki/God%27s_Little_Acre_%28film%29">som
382 er lagt ut på Wikipedia
</a>, der det fortelles at
383 sort/hvit-utgaven er allemannseie. Det fremgår ikke fra dokument
384 09,
18 om filmen omtalt der er sort/hvit-utgaven. Av
385 kapasitetsårsaker og på grunn av at filmoversikten i dokument
09,
18
386 ikke er maskinlesbart har jeg ikke forsøkt å sjekke alle filmene som
387 listes opp der om mot liste med filmer som er antatt lovlig kan
388 distribueres på Internet.
</p>
390 <p>Ved maskinell gjennomgang av listen med IMDB-referanser under
391 regnearkfanen 'Unique titles' i dokument
09.14, fant jeg i tillegg
392 filmen «She Wore a Yellow Ribbon» fra
1949) som nok også er
393 feilklassifisert. Filmen «She Wore a Yellow Ribbon» er tilgjengelig
394 fra Internett-arkivet og markert som allemannseie der. Det virker
395 dermed å være minst fire ganger så mange filmer som kan lovlig deles
396 på Internett enn det som er lagt til grunn når en påstår at minst
397 99% av innholdet er ulovlig. Jeg ser ikke bort fra at nærmere
398 undersøkelser kan avdekke flere. Poenget er uansett at metodens
399 punkt om «rimelig å forvente om at verket var vernet av copyright»
400 gjør metoden upålitelig.
</p>
402 <p>Den omtalte målemetoden velger ut tilfeldige søketermer fra
403 ordlisten Dale-Chall. Den ordlisten inneholder
3000 enkle engelske
404 som fjerdeklassinger i USA er forventet å forstå. Det fremgår ikke
405 hvorfor akkurat denne ordlisten er valgt, og det er uklart for meg
406 om den er egnet til å få et representativt utvalg av filmer. Mange
407 av ordene gir tomt søkeresultat. Ved å simulerte tilsvarende søk
408 ser jeg store avvik fra fordelingen i katalogen for enkeltmålinger.
409 Dette antyder at enkeltmålinger av
100 filmer slik målemetoden
410 beskriver er gjort, ikke er velegnet til å finne andel ulovlig
411 innhold i bittorrent-katalogene.
</p>
413 <p>En kan motvirke dette store avviket for enkeltmålinger ved å gjøre
414 mange søk og slå sammen resultatet. Jeg har testet ved å
415 gjennomføre
100 enkeltmålinger (dvs. måling av (
100x100=)
10 000
416 tilfeldig valgte filmer) som gir mindre, men fortsatt betydelig
417 avvik, i forhold til telling av filmer pr år i hele katalogen.
</p>
419 <p>Målemetoden henter ut de fem øverste i søkeresultatet.
420 Søkeresultatene er sortert på antall bittorrent-klienter registrert
421 som delere i katalogene, hvilket kan gi en slagside mot hvilke
422 filmer som er populære blant de som bruker bittorrent-katalogene,
423 uten at det forteller noe om hvilket innhold som er tilgjengelig
424 eller hvilket innhold som deles med Popcorn Time-klienter. Jeg har
425 forsøkt å måle hvor stor en slik slagside eventuelt er ved å
426 sammenligne fordelingen hvis en tar de
5 nederste i søkeresultatet i
427 stedet. Avviket for disse to metodene for endel kataloger er godt
428 synlig på histogramet. Her er histogram over filmer funnet i den
429 komplette katalogen (grønn strek), og filmer funnet ved søk etter
430 ord i Dale-Chall. Grafer merket 'top' henter fra de
5 første i
431 søkeresultatet, mens de merket 'bottom' henter fra de
5 siste. En
432 kan her se at resultatene påvirkes betydelig av hvorvidt en ser på
433 de første eller de siste filmene i et søketreff.
</p>
436 <img width=
"40%" src=
"http://people.skolelinux.org/pere/blog/images/2017-12-20-histogram-year-sh-top.png"/>
437 <img width=
"40%" src=
"http://people.skolelinux.org/pere/blog/images/2017-12-20-histogram-year-sh-bottom.png"/>
439 <img width=
"40%" src=
"http://people.skolelinux.org/pere/blog/images/2017-12-20-histogram-year-yts-top.png"/>
440 <img width=
"40%" src=
"http://people.skolelinux.org/pere/blog/images/2017-12-20-histogram-year-yts-bottom.png"/>
442 <img width=
"40%" src=
"http://people.skolelinux.org/pere/blog/images/2017-12-20-histogram-year-ukrfnlge-top.png"/>
443 <img width=
"40%" src=
"http://people.skolelinux.org/pere/blog/images/2017-12-20-histogram-year-ukrfnlge-bottom.png"/>
445 <img width=
"40%" src=
"http://people.skolelinux.org/pere/blog/images/2017-12-20-histogram-year-apidomain-top.png"/>
446 <img width=
"40%" src=
"http://people.skolelinux.org/pere/blog/images/2017-12-20-histogram-year-apidomain-bottom.png"/>
449 <p>Det er verdt å bemerke at de omtalte bittorrent-katalogene ikke er
450 laget for bruk med Popcorn Time. Eksempelvis tilhører katalogen
451 YTS, som brukes av klientet som ble lastes ned fra popcorntime.sh,
452 et selvstendig fildelings-relatert nettsted YTS.AG med et separat
453 brukermiljø. Målemetoden foreslått av Økokrim måler dermed ikke
454 (u)lovligheten rundt bruken av Popcorn Time, men (u)lovligheten til
455 innholdet i disse katalogene.
</p>
459 <p id=
"dok-09-13">Metoden fra Økokrims dokument
09,
13 i straffesaken
462 <p><strong>1. Evaluation of (il)legality
</strong></p>
464 <p><strong>1.1. Methodology
</strong>
466 <p>Due to its technical configuration, Popcorn Time applications don't
467 allow to make a full list of all titles made available. In order to
468 evaluate the level of illegal operation of PCT, the following
469 methodology was applied:
</p>
473 <li>A random selection of
50 keywords, greater than
3 letters, was
474 made from the Dale-Chall list that contains
3000 simple English
475 words1. The selection was made by using a Random Number
478 <li>For each keyword, starting with the first randomly selected
479 keyword, a search query was conducted in the movie section of the
480 respective Popcorn Time application. For each keyword, the first
481 five results were added to the title list until the number of
100
482 unique titles was reached (duplicates were removed).
</li>
484 <li>For one fork, .CH, insufficient titles were generated via this
485 approach to reach
100 titles. This was solved by adding any
486 additional query results above five for each of the
50 keywords.
487 Since this still was not enough, another
42 random keywords were
488 selected to finally reach
100 titles.
</li>
490 <li>It was verified whether or not there is a reasonable expectation
491 that the work is copyrighted by checking if they are available on
492 IMDb, also verifying the director, the year when the title was
493 released, the release date for a certain market, the production
494 company/ies of the title and the distribution company/ies.
</li>
498 <p><strong>1.2. Results
</strong></p>
500 <p>Between
6 and
9 June
2016, four forks of Popcorn Time were
501 investigated: popcorn-time.to, popcorntime.ag, popcorntime.sh and
502 popcorntime.ch. An excel sheet with the results is included in
503 Appendix
1. Screenshots were secured in separate Appendixes for each
504 respective fork, see Appendix
2-
5.
</p>
506 <p>For each fork, out of
100, de-duplicated titles it was possible to
507 retrieve data according to the parameters set out above that indicate
508 that the title is commercially available. Per fork, there was
1 title
509 that presumably falls within the public domain, i.e. the
1928 movie
510 "The Circus" by and with Charles Chaplin.
</p>
512 <p>Based on the above it is reasonable to assume that
99% of the movie
513 content of each fork is copyright protected and is made available
516 <p>This exercise was not repeated for TV series, but considering that
517 besides production companies and distribution companies also
518 broadcasters may have relevant rights, it is reasonable to assume that
519 at least a similar level of infringement will be established.
</p>
521 <p>Based on the above it is reasonable to assume that
99% of all the
522 content of each fork is copyright protected and are made available
528 Tags:
<a href=
"http://people.skolelinux.org/pere/blog/tags/fildeling">fildeling
</a>,
<a href=
"http://people.skolelinux.org/pere/blog/tags/freeculture">freeculture
</a>,
<a href=
"http://people.skolelinux.org/pere/blog/tags/norsk">norsk
</a>,
<a href=
"http://people.skolelinux.org/pere/blog/tags/nuug">nuug
</a>,
<a href=
"http://people.skolelinux.org/pere/blog/tags/opphavsrett">opphavsrett
</a>,
<a href=
"http://people.skolelinux.org/pere/blog/tags/verkidetfri">verkidetfri
</a>,
<a href=
"http://people.skolelinux.org/pere/blog/tags/video">video
</a>.
533 <div class=
"padding"></div>
536 <div class=
"title"><a href=
"http://people.skolelinux.org/pere/blog/Cura__the_nice_3D_print_slicer__is_now_in_Debian_Unstable.html">Cura, the nice
3D print slicer, is now in Debian Unstable
</a></div>
537 <div class=
"date">17th December
2017</div>
538 <div class=
"body"><p>After several months of working and waiting, I am happy to report
539 that the nice and user friendly
3D printer slicer software Cura just
540 entered Debian Unstable. It consist of five packages,
541 <a href=
"https://tracker.debian.org/pkg/cura">cura
</a>,
542 <a href=
"https://tracker.debian.org/pkg/cura-engine">cura-engine
</a>,
543 <a href=
"https://tracker.debian.org/pkg/libarcus">libarcus
</a>,
544 <a href=
"https://tracker.debian.org/pkg/fdm-materials">fdm-materials
</a>,
545 <a href=
"https://tracker.debian.org/pkg/libsavitar">libsavitar
</a> and
546 <a href=
"https://tracker.debian.org/pkg/uranium">uranium
</a>. The last
547 two, uranium and cura, entered Unstable yesterday. This should make
548 it easier for Debian users to print on at least the Ultimaker class of
549 3D printers. My nearest
3D printer is an Ultimaker
2+, so it will
550 make life easier for at least me. :)
</p>
552 <p>The work to make this happen was done by Gregor Riepl, and I was
553 happy to assist him in sponsoring the packages. With the introduction
554 of Cura, Debian is up to three
3D printer slicers at your service,
555 Cura, Slic3r and Slic3r Prusa. If you own or have access to a
3D
556 printer, give it a go. :)
</p>
558 <p>The
3D printer software is maintained by the
3D printer Debian
559 team, flocking together on the
560 <a href=
"http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/3dprinter-general">3dprinter-general
</a>
562 <a href=
"irc://irc.debian.org/#debian-3dprinting">#debian-
3dprinting
</a>
565 <p>The next step for Cura in Debian is to update the cura package to
566 version
3.0.3 and then update the entire set of packages to version
567 3.1.0 which showed up the last few days.
</p>
572 Tags:
<a href=
"http://people.skolelinux.org/pere/blog/tags/3d-printer">3d-printer
</a>,
<a href=
"http://people.skolelinux.org/pere/blog/tags/debian">debian
</a>,
<a href=
"http://people.skolelinux.org/pere/blog/tags/english">english
</a>.
577 <div class=
"padding"></div>
580 <div class=
"title"><a href=
"http://people.skolelinux.org/pere/blog/Idea_for_finding_all_public_domain_movies_in_the_USA.html">Idea for finding all public domain movies in the USA
</a></div>
581 <div class=
"date">13th December
2017</div>
582 <div class=
"body"><p>While looking at
583 <a href=
"http://onlinebooks.library.upenn.edu/cce/">the scanned copies
584 for the copyright renewal entries for movies published in the USA
</a>,
585 an idea occurred to me. The number of renewals are so few per year, it
586 should be fairly quick to transcribe them all and add references to
587 the corresponding IMDB title ID. This would give the (presumably)
588 complete list of movies published
28 years earlier that did _not_
589 enter the public domain for the transcribed year. By fetching the
590 list of USA movies published
28 years earlier and subtract the movies
591 with renewals, we should be left with movies registered in IMDB that
592 are now in the public domain. For the year
1955 (which is the one I
593 have looked at the most), the total number of pages to transcribe is
594 21. For the
28 years from
1950 to
1978, it should be in the range
595 500-
600 pages. It is just a few days of work, and spread among a
596 small group of people it should be doable in a few weeks of spare
599 <p>A typical copyright renewal entry look like this (the first one
600 listed for
1955):
</p>
603 ADAM AND EVIL, a photoplay in seven reels by Metro-Goldwyn-Mayer
604 Distribution Corp. (c)
17Aug27; L24293. Loew's Incorporated (PWH);
608 <p>The movie title as well as registration and renewal dates are easy
609 enough to locate by a program (split on first comma and look for
610 DDmmmYY). The rest of the text is not required to find the movie in
611 IMDB, but is useful to confirm the correct movie is found. I am not
612 quite sure what the L and R numbers mean, but suspect they are
613 reference numbers into the archive of the US Copyright Office.
</p>
615 <p>Tracking down the equivalent IMDB title ID is probably going to be
616 a manual task, but given the year it is fairly easy to search for the
617 movie title using for example
618 <a href=
"http://www.imdb.com/find?q=adam+and+evil+1927&s=all">http://www.imdb.com/find?q=adam+and+evil+
1927&s=all
</a>.
619 Using this search, I find that the equivalent IMDB title ID for the
620 first renewal entry from
1955 is
621 <a href=
"http://www.imdb.com/title/tt0017588/">http://www.imdb.com/title/tt0017588/
</a>.
</p>
623 <p>I suspect the best way to do this would be to make a specialised
624 web service to make it easy for contributors to transcribe and track
625 down IMDB title IDs. In the web service, once a entry is transcribed,
626 the title and year could be extracted from the text, a search in IMDB
627 conducted for the user to pick the equivalent IMDB title ID right
628 away. By spreading out the work among volunteers, it would also be
629 possible to make at least two persons transcribe the same entries to
630 be able to discover any typos introduced. But I will need help to
631 make this happen, as I lack the spare time to do all of this on my
632 own. If you would like to help, please get in touch. Perhaps you can
633 draft a web service for crowd sourcing the task?
</p>
635 <p>Note, Project Gutenberg already have some
636 <a href=
"http://www.gutenberg.org/ebooks/search/?query=copyright+office+renewals">transcribed
637 copies of the US Copyright Office renewal protocols
</a>, but I have
638 not been able to find any film renewals there, so I suspect they only
639 have copies of renewal for written works. I have not been able to find
640 any transcribed versions of movie renewals so far. Perhaps they exist
643 <p>I would love to figure out methods for finding all the public
644 domain works in other countries too, but it is a lot harder. At least
645 for Norway and Great Britain, such work involve tracking down the
646 people involved in making the movie and figuring out when they died.
647 It is hard enough to figure out who was part of making a movie, but I
648 do not know how to automate such procedure without a registry of every
649 person involved in making movies and their death year.
</p>
651 <p>As usual, if you use Bitcoin and want to show your support of my
652 activities, please send Bitcoin donations to my address
653 <b><a href=
"bitcoin:15oWEoG9dUPovwmUL9KWAnYRtNJEkP1u1b">15oWEoG9dUPovwmUL9KWAnYRtNJEkP1u1b
</a></b>.
</p>
658 Tags:
<a href=
"http://people.skolelinux.org/pere/blog/tags/english">english
</a>,
<a href=
"http://people.skolelinux.org/pere/blog/tags/opphavsrett">opphavsrett
</a>,
<a href=
"http://people.skolelinux.org/pere/blog/tags/verkidetfri">verkidetfri
</a>.
663 <div class=
"padding"></div>
666 <div class=
"title"><a href=
"http://people.skolelinux.org/pere/blog/Is_the_short_movie__Empty_Socks__from_1927_in_the_public_domain_or_not_.html">Is the short movie «Empty Socks» from
1927 in the public domain or not?
</a></div>
667 <div class=
"date"> 5th December
2017</div>
668 <div class=
"body"><p>Three years ago, a presumed lost animation film,
669 <a href=
"https://en.wikipedia.org/wiki/Empty_Socks">Empty Socks from
670 1927</a>, was discovered in the Norwegian National Library. At the
671 time it was discovered, it was generally assumed to be copyrighted by
672 The Walt Disney Company, and I blogged about
673 <a href=
"http://people.skolelinux.org/pere/blog/Opphavsretts_status_for__Empty_Socks__fra_1927_.html">my
674 reasoning to conclude
</a> that it would would enter the Norwegian
675 equivalent of the public domain in
2053, based on my understanding of
676 Norwegian Copyright Law. But a few days ago, I came across
677 <a href=
"http://www.toonzone.net/forums/threads/exposed-disneys-repurchase-of-oswald-the-rabbit-a-sham.4792291/">a
678 blog post claiming the movie was already in the public domain
</a>, at
679 least in USA. The reasoning is as follows: The film was released in
680 November or Desember
1927 (sources disagree), and presumably
681 registered its copyright that year. At that time, right holders of
682 movies registered by the copyright office received government
683 protection for there work for
28 years. After
28 years, the copyright
684 had to be renewed if the wanted the government to protect it further.
685 The blog post I found claim such renewal did not happen for this
686 movie, and thus it entered the public domain in
1956. Yet someone
687 claim the copyright was renewed and the movie is still copyright
688 protected. Can anyone help me to figure out which claim is correct?
689 I have not been able to find Empty Socks in Catalog of copyright
690 entries. Ser
.3 pt
.12-
13 v
.9-
12 1955-
1958 Motion Pictures
691 <a href=
"http://onlinebooks.library.upenn.edu/cce/1955r.html#film">available
692 from the University of Pennsylvania
</a>, neither in
693 <a href=
"https://babel.hathitrust.org/cgi/pt?id=mdp.39015084451130;page=root;view=image;size=100;seq=83;num=45">page
694 45 for the first half of
1955</a>, nor in
695 <a href=
"https://babel.hathitrust.org/cgi/pt?id=mdp.39015084451130;page=root;view=image;size=100;seq=175;num=119">page
696 119 for the second half of
1955</a>. It is of course possible that
697 the renewal entry was left out of the printed catalog by mistake. Is
698 there some way to rule out this possibility? Please help, and update
699 the wikipedia page with your findings.
701 <p>As usual, if you use Bitcoin and want to show your support of my
702 activities, please send Bitcoin donations to my address
703 <b><a href=
"bitcoin:15oWEoG9dUPovwmUL9KWAnYRtNJEkP1u1b">15oWEoG9dUPovwmUL9KWAnYRtNJEkP1u1b
</a></b>.
</p>
708 Tags:
<a href=
"http://people.skolelinux.org/pere/blog/tags/english">english
</a>,
<a href=
"http://people.skolelinux.org/pere/blog/tags/freeculture">freeculture
</a>,
<a href=
"http://people.skolelinux.org/pere/blog/tags/opphavsrett">opphavsrett
</a>,
<a href=
"http://people.skolelinux.org/pere/blog/tags/verkidetfri">verkidetfri
</a>,
<a href=
"http://people.skolelinux.org/pere/blog/tags/video">video
</a>.
713 <div class=
"padding"></div>
716 <div class=
"title"><a href=
"http://people.skolelinux.org/pere/blog/Metadata_proposal_for_movies_on_the_Internet_Archive.html">Metadata proposal for movies on the Internet Archive
</a></div>
717 <div class=
"date">28th November
2017</div>
718 <div class=
"body"><p>It would be easier to locate the movie you want to watch in
719 <a href=
"https://www.archive.org/">the Internet Archive
</a>, if the
720 metadata about each movie was more complete and accurate. In the
721 archiving community, a well known saying state that good metadata is a
722 love letter to the future. The metadata in the Internet Archive could
723 use a face lift for the future to love us back. Here is a proposal
724 for a small improvement that would make the metadata more useful
725 today. I've been unable to find any document describing the various
726 standard fields available when uploading videos to the archive, so
727 this proposal is based on my best quess and searching through several
728 of the existing movies.
</p>
730 <p>I have a few use cases in mind. First of all, I would like to be
731 able to count the number of distinct movies in the Internet Archive,
732 without duplicates. I would further like to identify the IMDB title
733 ID of the movies in the Internet Archive, to be able to look up a IMDB
734 title ID and know if I can fetch the video from there and share it
737 <p>Second, I would like the Butter data provider for The Internet
739 (
<a href=
"https://github.com/butterproviders/butter-provider-archive">available
740 from github
</a>), to list as many of the good movies as possible. The
741 plugin currently do a search in the archive with the following
745 collection:moviesandfilms
746 AND NOT collection:movie_trailers
747 AND -mediatype:collection
748 AND format:"Archive BitTorrent"
752 <p>Most of the cool movies that fail to show up in Butter do so
753 because the 'year' field is missing. The 'year' field is populated by
754 the year part from the 'date' field, and should be when the movie was
755 released (date or year). Two such examples are
756 <a href=
"https://archive.org/details/SidneyOlcottsBen-hur1905">Ben Hur
758 <a href=
"https://archive.org/details/Caminandes2GranDillama">Caminandes
759 2: Gran Dillama from
2013</a>, where the year metadata field is
762 So, my proposal is simply, for every movie in The Internet Archive
763 where an IMDB title ID exist, please fill in these metadata fields
764 (note, they can be updated also long after the video was uploaded, but
765 as far as I can tell, only by the uploader):
770 <dd>Should be 'movie' for movies.
</dd>
773 <dd>Should contain 'moviesandfilms'.
</dd>
776 <dd>The title of the movie, without the publication year.
</dd>
779 <dd>The data or year the movie was released. This make the movie show
780 up in Butter, as well as make it possible to know the age of the
781 movie and is useful to figure out copyright status.
</dd>
784 <dd>The director of the movie. This make it easier to know if the
785 correct movie is found in movie databases.
</dd>
788 <dd>The production company making the movie. Also useful for
789 identifying the correct movie.
</dd>
793 <dd>Add a link to the IMDB title page, for example like this:
<a
794 href="http://www.imdb.com/title/tt0028496/"
>Movie in
795 IMDB
</a
>. This make it easier to find duplicates and allow for
796 counting of number of unique movies in the Archive. Other external
797 references, like to TMDB, could be added like this too.
</dd>
801 <p>I did consider proposing a Custom field for the IMDB title ID (for
802 example 'imdb_title_url', 'imdb_code' or simply 'imdb', but suspect it
803 will be easier to simply place it in the links free text field.
</p>
806 <a href=
"https://github.com/petterreinholdtsen/public-domain-free-imdb">a
807 list of IMDB title IDs for several thousand movies in the Internet
808 Archive
</a>, but I also got a list of several thousand movies without
809 such IMDB title ID (and quite a few duplicates). It would be great if
810 this data set could be integrated into the Internet Archive metadata
811 to be available for everyone in the future, but with the current
812 policy of leaving metadata editing to the uploaders, it will take a
813 while before this happen. If you have uploaded movies into the
814 Internet Archive, you can help. Please consider following my proposal
815 above for your movies, to ensure that movie is properly
818 <p>The list is mostly generated using wikidata, which based on
819 Wikipedia articles make it possible to link between IMDB and movies in
820 the Internet Archive. But there are lots of movies without a
821 Wikipedia article, and some movies where only a collection page exist
822 (like for
<a href=
"https://en.wikipedia.org/wiki/Caminandes">the
823 Caminandes example above
</a>, where there are three movies but only
824 one Wikidata entry).
</p>
826 <p>As usual, if you use Bitcoin and want to show your support of my
827 activities, please send Bitcoin donations to my address
828 <b><a href=
"bitcoin:15oWEoG9dUPovwmUL9KWAnYRtNJEkP1u1b">15oWEoG9dUPovwmUL9KWAnYRtNJEkP1u1b
</a></b>.
</p>
833 Tags:
<a href=
"http://people.skolelinux.org/pere/blog/tags/english">english
</a>,
<a href=
"http://people.skolelinux.org/pere/blog/tags/opphavsrett">opphavsrett
</a>,
<a href=
"http://people.skolelinux.org/pere/blog/tags/verkidetfri">verkidetfri
</a>.
838 <div class=
"padding"></div>
841 <div class=
"title"><a href=
"http://people.skolelinux.org/pere/blog/Legal_to_share_more_than_3000_movies_listed_on_IMDB_.html">Legal to share more than
3000 movies listed on IMDB?
</a></div>
842 <div class=
"date">18th November
2017</div>
843 <div class=
"body"><p>A month ago, I blogged about my work to
844 <a href=
"http://people.skolelinux.org/pere/blog/Locating_IMDB_IDs_of_movies_in_the_Internet_Archive_using_Wikidata.html">automatically
845 check the copyright status of IMDB entries
</a>, and try to count the
846 number of movies listed in IMDB that is legal to distribute on the
847 Internet. I have continued to look for good data sources, and
848 identified a few more. The code used to extract information from
849 various data sources is available in
850 <a href=
"https://github.com/petterreinholdtsen/public-domain-free-imdb">a
851 git repository
</a>, currently available from github.
</p>
853 <p>So far I have identified
3186 unique IMDB title IDs. To gain
854 better understanding of the structure of the data set, I created a
855 histogram of the year associated with each movie (typically release
856 year). It is interesting to notice where the peaks and dips in the
857 graph are located. I wonder why they are placed there. I suspect
858 World War II caused the dip around
1940, but what caused the peak
861 <p align=
"center"><img src=
"http://people.skolelinux.org/pere/blog/images/2017-11-18-verk-i-det-fri-filmer.png" /></p>
863 <p>I've so far identified ten sources for IMDB title IDs for movies in
864 the public domain or with a free license. This is the statistics
865 reported when running 'make stats' in the git repository:
</p>
868 249 entries (
6 unique) with and
288 without IMDB title ID in free-movies-archive-org-butter.json
869 2301 entries (
540 unique) with and
0 without IMDB title ID in free-movies-archive-org-wikidata.json
870 830 entries (
29 unique) with and
0 without IMDB title ID in free-movies-icheckmovies-archive-mochard.json
871 2109 entries (
377 unique) with and
0 without IMDB title ID in free-movies-imdb-pd.json
872 291 entries (
122 unique) with and
0 without IMDB title ID in free-movies-letterboxd-pd.json
873 144 entries (
135 unique) with and
0 without IMDB title ID in free-movies-manual.json
874 350 entries (
1 unique) with and
801 without IMDB title ID in free-movies-publicdomainmovies.json
875 4 entries (
0 unique) with and
124 without IMDB title ID in free-movies-publicdomainreview.json
876 698 entries (
119 unique) with and
118 without IMDB title ID in free-movies-publicdomaintorrents.json
877 8 entries (
8 unique) with and
196 without IMDB title ID in free-movies-vodo.json
878 3186 unique IMDB title IDs in total
881 <p>The entries without IMDB title ID are candidates to increase the
882 data set, but might equally well be duplicates of entries already
883 listed with IMDB title ID in one of the other sources, or represent
884 movies that lack a IMDB title ID. I've seen examples of all these
885 situations when peeking at the entries without IMDB title ID. Based
886 on these data sources, the lower bound for movies listed in IMDB that
887 are legal to distribute on the Internet is between
3186 and
4713.
889 <p>It would be great for improving the accuracy of this measurement,
890 if the various sources added IMDB title ID to their metadata. I have
891 tried to reach the people behind the various sources to ask if they
892 are interested in doing this, without any replies so far. Perhaps you
893 can help me get in touch with the people behind VODO, Public Domain
894 Torrents, Public Domain Movies and Public Domain Review to try to
895 convince them to add more metadata to their movie entries?
</p>
897 <p>Another way you could help is by adding pages to Wikipedia about
898 movies that are legal to distribute on the Internet. If such page
899 exist and include a link to both IMDB and The Internet Archive, the
900 script used to generate free-movies-archive-org-wikidata.json should
901 pick up the mapping as soon as wikidata is updates.
</p>
903 <p>As usual, if you use Bitcoin and want to show your support of my
904 activities, please send Bitcoin donations to my address
905 <b><a href=
"bitcoin:15oWEoG9dUPovwmUL9KWAnYRtNJEkP1u1b">15oWEoG9dUPovwmUL9KWAnYRtNJEkP1u1b
</a></b>.
</p>
910 Tags:
<a href=
"http://people.skolelinux.org/pere/blog/tags/english">english
</a>,
<a href=
"http://people.skolelinux.org/pere/blog/tags/opphavsrett">opphavsrett
</a>,
<a href=
"http://people.skolelinux.org/pere/blog/tags/verkidetfri">verkidetfri
</a>.
915 <div class=
"padding"></div>
918 <div class=
"title"><a href=
"http://people.skolelinux.org/pere/blog/Some_notes_on_fault_tolerant_storage_systems.html">Some notes on fault tolerant storage systems
</a></div>
919 <div class=
"date"> 1st November
2017</div>
920 <div class=
"body"><p>If you care about how fault tolerant your storage is, you might
921 find these articles and papers interesting. They have formed how I
922 think of when designing a storage system.
</p>
926 <li>USENIX :login;
<a
927 href=
"https://www.usenix.org/publications/login/summer2017/ganesan">Redundancy
928 Does Not Imply Fault Tolerance. Analysis of Distributed Storage
929 Reactions to Single Errors and Corruptions
</a> by Aishwarya Ganesan,
930 Ramnatthan Alagappan, Andrea C. Arpaci-Dusseau, and Remzi
931 H. Arpaci-Dusseau
</li>
934 <a href=
"http://www.zdnet.com/article/why-raid-5-stops-working-in-2009/">Why
935 RAID
5 stops working in
2009</a> by Robin Harris
</li>
938 <a href=
"http://www.zdnet.com/article/why-raid-6-stops-working-in-2019/">Why
939 RAID
6 stops working in
2019</a> by Robin Harris
</li>
942 <a href=
"http://research.google.com/archive/disk_failures.pdf">Failure
943 Trends in a Large Disk Drive Population
</a> by Eduardo Pinheiro,
944 Wolf-Dietrich Weber and Luiz André Barroso
</li>
946 <li>USENIX ;login:
<a
947 href=
"https://www.usenix.org/system/files/login/articles/hughes12-04.pdf">Data
948 Integrity. Finding Truth in a World of Guesses and Lies
</a> by Doug
952 <a href=
"https://www.usenix.org/events/fast08/tech/full_papers/bairavasundaram/bairavasundaram_html/">An
953 Analysis of Data Corruption in the Storage Stack
</a> by
954 L. N. Bairavasundaram, G. R. Goodson, B. Schroeder, A. C.
955 Arpaci-Dusseau, and R. H. Arpaci-Dusseau
</li>
957 <li>USENIX FAST'
07 <a
958 href=
"https://www.usenix.org/legacy/events/fast07/tech/schroeder/schroeder_html/">Disk
959 failures in the real world: what does an MTTF of
1,
000,
000 hours mean
960 to you?
</a> by B. Schroeder and G. A. Gibson.
</li>
962 <li>USENIX ;login:
<a
963 href=
"https://www.usenix.org/events/fast08/tech/full_papers/jiang/jiang_html/">Are
964 Disks the Dominant Contributor for Storage Failures? A Comprehensive
965 Study of Storage Subsystem Failure Characteristics
</a> by Weihang
966 Jiang, Chongfeng Hu, Yuanyuan Zhou, and Arkady Kanevsky
</li>
969 <a href=
"http://research.cs.wisc.edu/adsl/Publications/latent-sigmetrics07.pdf">An
970 analysis of latent sector errors in disk drives
</a> by
971 L. N. Bairavasundaram, G. R. Goodson, S. Pasupathy, and J. Schindler
</li>
975 <p>Several of these research papers are based on data collected from
976 hundred thousands or millions of disk, and their findings are eye
977 opening. The short story is simply do not implicitly trust RAID or
978 redundant storage systems. Details matter. And unfortunately there
979 are few options on Linux addressing all the identified issues. Both
980 ZFS and Btrfs are doing a fairly good job, but have legal and
981 practical issues on their own. I wonder how cluster file systems like
982 Ceph do in this regard. After all, there is an old saying, you know
983 you have a distributed system when the crash of a computer you have
984 never heard of stops you from getting any work done. The same holds
985 true if fault tolerance do not work.
</p>
987 <p>Just remember, in the end, it do not matter how redundant, or how
988 fault tolerant your storage is, if you do not continuously monitor its
989 status to detect and replace failed disks.
</p>
991 <p>As usual, if you use Bitcoin and want to show your support of my
992 activities, please send Bitcoin donations to my address
993 <b><a href=
"bitcoin:15oWEoG9dUPovwmUL9KWAnYRtNJEkP1u1b">15oWEoG9dUPovwmUL9KWAnYRtNJEkP1u1b
</a></b>.
</p>
998 Tags:
<a href=
"http://people.skolelinux.org/pere/blog/tags/english">english
</a>,
<a href=
"http://people.skolelinux.org/pere/blog/tags/raid">raid
</a>,
<a href=
"http://people.skolelinux.org/pere/blog/tags/sysadmin">sysadmin
</a>.
1003 <div class=
"padding"></div>
1006 <div class=
"title"><a href=
"http://people.skolelinux.org/pere/blog/Web_services_for_writing_academic_LaTeX_papers_as_a_team.html">Web services for writing academic LaTeX papers as a team
</a></div>
1007 <div class=
"date">31st October
2017</div>
1008 <div class=
"body"><p>I was surprised today to learn that a friend in academia did not
1009 know there are easily available web services available for writing
1010 LaTeX documents as a team. I thought it was common knowledge, but to
1011 make sure at least my readers are aware of it, I would like to mention
1012 these useful services for writing LaTeX documents. Some of them even
1013 provide a WYSIWYG editor to ease writing even further.
</p>
1015 <p>There are two commercial services available,
1016 <a href=
"https://sharelatex.com">ShareLaTeX
</a> and
1017 <a href=
"https://overleaf.com">Overleaf
</a>. They are very easy to
1018 use. Just start a new document, select which publisher to write for
1019 (ie which LaTeX style to use), and start writing. Note, these two
1020 have announced their intention to join forces, so soon it will only be
1021 one joint service. I've used both for different documents, and they
1022 work just fine. While
1023 <a href=
"https://github.com/sharelatex/sharelatex">ShareLaTeX is free
1024 software
</a>, while the latter is not. According to
<a
1025 href=
"https://www.overleaf.com/help/17-is-overleaf-open-source">a
1026 announcement from Overleaf
</a>, they plan to keep the ShareLaTeX code
1027 base maintained as free software.
</p>
1029 But these two are not the only alternatives.
1030 <a href=
"https://app.fiduswriter.org/">Fidus Writer
</a> is another free
1031 software solution with
<a href=
"https://github.com/fiduswriter">the
1032 source available on github
</a>. I have not used it myself. Several
1033 others can be found on the nice
1034 <a href=
"https://alternativeto.net/software/sharelatex/">alterntiveTo
1037 <p>If you like Google Docs or Etherpad, but would like to write
1038 documents in LaTeX, you should check out these services. You can even
1039 host your own, if you want to. :)
</p>
1041 <p>As usual, if you use Bitcoin and want to show your support of my
1042 activities, please send Bitcoin donations to my address
1043 <b><a href=
"bitcoin:15oWEoG9dUPovwmUL9KWAnYRtNJEkP1u1b">15oWEoG9dUPovwmUL9KWAnYRtNJEkP1u1b
</a></b>.
</p>
1048 Tags:
<a href=
"http://people.skolelinux.org/pere/blog/tags/english">english
</a>.
1053 <div class=
"padding"></div>
1055 <p style=
"text-align: right;"><a href=
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"http://people.skolelinux.org/pere/blog/xml.gif" alt=
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"36" height=
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9)
</a></li>
1286 <li><a href=
"http://people.skolelinux.org/pere/blog/archive/2010/06/">June (
14)
</a></li>
1288 <li><a href=
"http://people.skolelinux.org/pere/blog/archive/2010/07/">July (
12)
</a></li>
1290 <li><a href=
"http://people.skolelinux.org/pere/blog/archive/2010/08/">August (
13)
</a></li>
1292 <li><a href=
"http://people.skolelinux.org/pere/blog/archive/2010/09/">September (
7)
</a></li>
1294 <li><a href=
"http://people.skolelinux.org/pere/blog/archive/2010/10/">October (
9)
</a></li>
1296 <li><a href=
"http://people.skolelinux.org/pere/blog/archive/2010/11/">November (
13)
</a></li>
1298 <li><a href=
"http://people.skolelinux.org/pere/blog/archive/2010/12/">December (
12)
</a></li>
1305 <li><a href=
"http://people.skolelinux.org/pere/blog/archive/2009/01/">January (
8)
</a></li>
1307 <li><a href=
"http://people.skolelinux.org/pere/blog/archive/2009/02/">February (
8)
</a></li>
1309 <li><a href=
"http://people.skolelinux.org/pere/blog/archive/2009/03/">March (
12)
</a></li>
1311 <li><a href=
"http://people.skolelinux.org/pere/blog/archive/2009/04/">April (
10)
</a></li>
1313 <li><a href=
"http://people.skolelinux.org/pere/blog/archive/2009/05/">May (
9)
</a></li>
1315 <li><a href=
"http://people.skolelinux.org/pere/blog/archive/2009/06/">June (
3)
</a></li>
1317 <li><a href=
"http://people.skolelinux.org/pere/blog/archive/2009/07/">July (
4)
</a></li>
1319 <li><a href=
"http://people.skolelinux.org/pere/blog/archive/2009/08/">August (
3)
</a></li>
1321 <li><a href=
"http://people.skolelinux.org/pere/blog/archive/2009/09/">September (
1)
</a></li>
1323 <li><a href=
"http://people.skolelinux.org/pere/blog/archive/2009/10/">October (
2)
</a></li>
1325 <li><a href=
"http://people.skolelinux.org/pere/blog/archive/2009/11/">November (
3)
</a></li>
1327 <li><a href=
"http://people.skolelinux.org/pere/blog/archive/2009/12/">December (
3)
</a></li>
1334 <li><a href=
"http://people.skolelinux.org/pere/blog/archive/2008/11/">November (
5)
</a></li>
1336 <li><a href=
"http://people.skolelinux.org/pere/blog/archive/2008/12/">December (
7)
</a></li>
1347 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/3d-printer">3d-printer (
15)
</a></li>
1349 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/amiga">amiga (
1)
</a></li>
1351 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/aros">aros (
1)
</a></li>
1353 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/bankid">bankid (
4)
</a></li>
1355 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/bitcoin">bitcoin (
9)
</a></li>
1357 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/bootsystem">bootsystem (
16)
</a></li>
1359 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/bsa">bsa (
2)
</a></li>
1361 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/chrpath">chrpath (
2)
</a></li>
1363 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/debian">debian (
155)
</a></li>
1365 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/debian edu">debian edu (
158)
</a></li>
1367 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/debian-handbook">debian-handbook (
4)
</a></li>
1369 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/digistan">digistan (
10)
</a></li>
1371 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/dld">dld (
17)
</a></li>
1373 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/docbook">docbook (
24)
</a></li>
1375 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/drivstoffpriser">drivstoffpriser (
4)
</a></li>
1377 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/english">english (
365)
</a></li>
1379 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/fiksgatami">fiksgatami (
23)
</a></li>
1381 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/fildeling">fildeling (
13)
</a></li>
1383 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/freeculture">freeculture (
32)
</a></li>
1385 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/freedombox">freedombox (
9)
</a></li>
1387 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/frikanalen">frikanalen (
18)
</a></li>
1389 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/h264">h264 (
20)
</a></li>
1391 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/intervju">intervju (
42)
</a></li>
1393 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/isenkram">isenkram (
15)
</a></li>
1395 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/kart">kart (
20)
</a></li>
1397 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/ldap">ldap (
9)
</a></li>
1399 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/lego">lego (
4)
</a></li>
1401 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/lenker">lenker (
8)
</a></li>
1403 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/lsdvd">lsdvd (
2)
</a></li>
1405 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/ltsp">ltsp (
1)
</a></li>
1407 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/mesh network">mesh network (
8)
</a></li>
1409 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/multimedia">multimedia (
39)
</a></li>
1411 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/nice free software">nice free software (
9)
</a></li>
1413 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/norsk">norsk (
294)
</a></li>
1415 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/nuug">nuug (
190)
</a></li>
1417 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/offentlig innsyn">offentlig innsyn (
33)
</a></li>
1419 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/open311">open311 (
2)
</a></li>
1421 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/opphavsrett">opphavsrett (
71)
</a></li>
1423 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/personvern">personvern (
104)
</a></li>
1425 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/raid">raid (
2)
</a></li>
1427 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/reactos">reactos (
1)
</a></li>
1429 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/reprap">reprap (
11)
</a></li>
1431 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/rfid">rfid (
3)
</a></li>
1433 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/robot">robot (
10)
</a></li>
1435 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/rss">rss (
1)
</a></li>
1437 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/ruter">ruter (
5)
</a></li>
1439 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/scraperwiki">scraperwiki (
2)
</a></li>
1441 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/sikkerhet">sikkerhet (
53)
</a></li>
1443 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/sitesummary">sitesummary (
4)
</a></li>
1445 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/skepsis">skepsis (
5)
</a></li>
1447 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/standard">standard (
55)
</a></li>
1449 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/stavekontroll">stavekontroll (
6)
</a></li>
1451 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/stortinget">stortinget (
12)
</a></li>
1453 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/surveillance">surveillance (
52)
</a></li>
1455 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/sysadmin">sysadmin (
4)
</a></li>
1457 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/usenix">usenix (
2)
</a></li>
1459 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/valg">valg (
9)
</a></li>
1461 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/verkidetfri">verkidetfri (
10)
</a></li>
1463 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/video">video (
61)
</a></li>
1465 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/vitenskap">vitenskap (
4)
</a></li>
1467 <li><a href=
"http://people.skolelinux.org/pere/blog/tags/web">web (
40)
</a></li>
1473 <p style=
"text-align: right">
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